A cylinder 6 m high is open at the top. The circumference of its base is 22m . Find its total surface area....
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Answered by
54
Circumference of the base= 22m
2πr. = 22
r= 7/2m
TSA= 2πrh + πr^2
= 22 x 6 + 22/7 x 49/4
= 170.5 m^2
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Answered by
19
tsa of cylinder is 2πr(r+h)
circumference of circle is 2πr = 22
2 x 22/7 x r = 22
44/7 x r = 22
r = 22 x 7 /44
r = 3.5 m
2 x 22/7 x 3.5 ( 3.5 + 6)
= 22(9.5)
= 209 m²
hope it help you
circumference of circle is 2πr = 22
2 x 22/7 x r = 22
44/7 x r = 22
r = 22 x 7 /44
r = 3.5 m
2 x 22/7 x 3.5 ( 3.5 + 6)
= 22(9.5)
= 209 m²
hope it help you
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